• CA51 Compiler Kit
  Keil
• PK51 Professional Developer's Kit
  Keil

• REG51.H
  1,689 bytes

• iC1000 PowerEmulator
  iSystem
• MetaICE-XF 8051 In-Circuit Emulator
  Metalink Corporation
• ADM-51
  Signum Systems
• USP-51
  Signum Systems

• WinBurn
  Microware Technology

• RTX51 Tiny
  Keil

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

• High-Speed 8051 Core (6-times accelerated)
• Interrupts 7S/4L (Including External) with TRAP
• Port 0
• Port 1
• Port 2
• Port 3
• Power Saving Modes (Idle and Power Down)
• Serial UART (Enhanced Interface)
• Timer0
• Timer1

The following on-chip peripherals are not simulated.

• I2C Interface
• JTAG Emulation Interface
• PWM
• SPI (Serial Peripheral Interface)
• Timer2 (Extended Timer 2)

The following AGSI Drivers are available for the Keil Software µVision Simulator.

• Proteus VSM
  Labcenter Electronics
• 8051 State Machine
  MEBA
• I²C Simulation
  MEBA
• LCD Simulation (HD44780 Controller)
  MEBA
• LED simulation
  MEBA
• Signal Generator
  MEBA

The following AGDI Drivers are available for the Keil Software µVision Debugger.

• Keil ISD51 Driver
  Keil
• Keil MON51/FlashMON Driver
  Keil